same
double
three times
four times
✅ The correct answer is option B.
Mechanical Engineering MCQs
A closely-coiled helical spring of stiffness k is cut into (n) equal parts. The stiffness in each part of the spring will be
kn
nk
nk
nk2
✅ The correct answer is option C.
In oblique cutting system, the cutting edge of the tool
may clear the width of the workpiece
may or may not clear the width of the workpiece
may not clear the width of the workpiece
should always clear th
✅ The correct answer is option C.
The parameter which completely defines the chip formation in a metal cutting process is
shear angle
chip-tool contact length
both (a) and (b)
none of these
✅ The correct answer is option C.
The distance moved by the valve from one end to the other end is called valve travel.
TRUE
FALSE
✅ The correct answer is option A.
The component that is responsible for converting the rotation of the steering wheel into lateral motion is the
steering wheel
steering shaft
steering gearbox
tie rod
✅ The correct answer is option C.
The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The by-pass factor of the heating coil is
0.376
0.4
0.6
0.67
✅ The correct answer is option C.
The hole drilled for tapping should be smaller than the tap size by twice the depth of thread.
Agree
Disagree
✅ The correct answer is option A.
The velocity ratio for the second system of pulleys is n.
TRUE
FALSE
✅ The correct answer is option A.
The total strain energy stored in a body is called proof resilience.
Agree
Disagree
✅ The correct answer is option B.